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Home >> Subaru >> 2006 >> Outback XT, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P1153 O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1) >> Diagnostic Method
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Diagnostic Method

Judge as NG when the continuous time of meeting the malfunction criteria below becomes more than the time needed for diagnosis (10 seconds). Judge as OK and clear the NG when the malfunction criteria below are not met.

Judgment Value 

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Output λ value when rear oxygen sensor sub feedback compensation coefficient cannot be at minimum limit ≥ 1.15

Time Needed for Diagnosis:  10 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.